Proskit Multi-Function Tool Backpack ST-308Both side are with net pockets Putting water cup, umbrella and so on. Keyhole zipper pull Able to have additional lock onto zipper' s hole to have perfect protection. Multiple pocket design Built in 8 storage small pockets to facilitate placing for multiple items. 1680D oxford fabric PVC bottom, able to water repellent function. Alert reflective strips Easy to be seen in darkness for security.